package jn.chen.utils;

import java.util.ArrayList;

/**
 * @className: CodeUtil
 * @author: chenLin
 * @version: 1.0.0
 * @description:
 * @date: 2022/10/8 15:16
 * 生成二维码测试类
 */
public class CodeUtil {
    public static void main(String[] args) {
        ArrayList<Object> objects = new ArrayList<>();
        objects.add(0,"2131");
        objects.add(1,"21");
        objects.add(2,"21");
        objects.remove(1);
        System.out.println(objects);
    }
}
